Question

If you start with acetyl-coa labeled with 14c in the methyl-carbon, where does the label end up in malonyl-coa?

Answer 1

It would also be considered, the label of 14C. 
Acetyl CoA is the process part of the cellular respiration where formation of Coenzyme A is synthesized.  Thank you for your question. Please don't hesitate to ask in Brainly your queries.